import string
# 打印出字符串
text="python 说：‘very nice’"
print(text)
# 打印出字符串，注意字符串中的双引号和单引号
text='python 说："very nice" '
print(text)
# 打印出多行字符串
text="""
Hello 
python
"""
print(text)


print(string.ascii_letters)

print(string.hexdigits)

print(string.octdigits)

print(string.ascii_uppercase)

#字符串包含
text="hello world"
if("hello" in text):
    print("hello is in text")
else:
    print("hello is not in text")